If he brokers a trade deal that favours a wealthier country, it could collapse the UK market for poorer sugar-producing countries such as Malawi, leaving farmers like Aubrey unable to compete.

But Brexit presents Liam Fox with a big opportunity to deliver even better trade that brings prosperity to the poorest countries around the world as well as the UK. And he can start right now by reassuring poor countries that they won’t have to pay to import their produce into Britain.